发明名称 |
APPARATUS AND METHODS FOR PERFORMING HUFFMAN CODING |
摘要 |
Apparatus and methods are provided for generating a Huf fman Code for use in compressing a received digital signal. The digital signal includes a plurality of digital sets wherein ones of the digital sets are non-unique. Ones of the digital sets are stored. Each stored digital set has associated therewith a codeword and an indicator. The indicator represents a probability of occurrence, or frequency, of the stored digital set within the digital signal. While more than one associated indicator remains stored, pairs of associated indicators are selectively combined and a first digital set associated with a first indicator and a second digital set associated with a second indicator are both associated with the selectively combined indicator. A first binary value is appended to the codeword associated with the first digital set and a second binary value is appended to the codeword associated with the second digital set. |
申请公布号 |
CA2170551(A1) |
申请公布日期 |
1996.09.09 |
申请号 |
CA19962170551 |
申请日期 |
1996.02.28 |
申请人 |
AT&T IPM CORP. |
发明人 |
ROSENBERG, JONATHAN DAVID |
分类号 |
G06F5/00;G06T9/00;H03M7/40;H03M7/42;H04N7/14;H04N7/26;H04N7/30;(IPC1-7):H03M7/40 |
主分类号 |
G06F5/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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